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Dr Deirdre Collins

Post-Doctoral Research Fellow

Staff Member Details
Telephone: +61 8 6457 4092

Deirdre is an NHMRC Early Career Fellow working with Professor Thomas Riley's Clostridium difficile research group, based in the R&D laboratories of PathWest Laboratory Medicine, QEII Medical Centre.

Professional Associations

  • Australian Society for Microbiology
  • European Society for Clinical Microbiology Infectious Diseases

Awards and Recognition

National and International Awards

  • Australasian Epidemiological Association Early Career Researcher Travel Award, 2018

Other Awards

  • Vice-Chancellor's Staff Award 2018: Excellence in Research by Early Career Researcher
  • UWA Graduate Research School travel award, 2013
  • International Postgraduate Research Scholarship, UWA, 2012-2016
  • Australian Postgraduate Award, UWA, 2012-2016
  • Friends of the Institute travel award, Telethon Institute for Child Health Research (now Telethon Kids Institute), 2012
  • Highest aggregate mark overall in graduating Masters class, UWA, 2010
  • Highest mark for research project in graduating Masters class, UWA, 2010
  • Highest aggregate mark in specialist stream group in graduating Masters class, UWA, 2010
  • Trinity College Dublin Entrance Exhibition Award, 2003

Research Areas and Interests

  • Clostridium difficile infection
  • Infectious disease epidemiology
  • Molecular epidemiology
  • One Health


  • Doctor of Philosophy, The University of Western Australia, 2017.
  • Master of Infectious Diseases (Medical Microbiology), The University of Western Australia, 2011.
  • Bachelor in Arts, Ireland, 2007.

Research Outputs

Journal Articles

  • Collins, D., Wu, Y., Tateda, K., Kim, H., Vickers, R., Riley, T. (2021). Evaluation of the antimicrobial activity of ridinilazole and six comparators against Chinese, Japanese and South Korean strains of Clostridioides difficile. Journal of Antimicrobial Chemotherapy, 76(4), 967-972.

Journal Articles

  • Lew, T., Putsathit, P., Sohn, KM., Wu, Y., Ouchi, K., Ishii, Y., Tateda, K., Riley, T., Collins, D. (2020). Antimicrobial susceptibilities of clostridium difficile isolates from 12 Asia-pacific countries in 2014 and 2015. Antimicrobial Agents and Chemotherapy, 64(7), Article number e00296-20.
  • Collins, D., Sohn, KM., Wu, Y., Ouchi, K., Ishii, Y., Elliott, B., Riley, T., Tateda, K. (2020). Clostridioides difficile infection in the Asia-Pacific region. Emerging Microbes and Infections, 9(1), 42-52.
  • Imwattana, K., Knight, D., Kullin, B., Collins, D., Putsathit, P., Kiratisin, P., Riley, T. (2020). Antimicrobial resistance in Clostridium difficile ribotype 017. Expert Review of Anti-infective Therapy, 18(2), 17-25.

Journal Articles

  • Collins, D., Carson, K., Riley, T. (2019). Microbiological evaluation of the ability of the DEKO-190 Washer/Disinfector to remove Clostridium difficile spores from bedpan surfaces. Infection, Disease and Health, 24(4), 208-211.
  • Collins, D., Riley, T. (2019). Clostridium difficile in Asia: Opportunities for One Health Management. Tropical Medicine and Infectious Diseases, 4(1), Article number tropicalmed4010007.
  • Alfayyadh, M., Collins, D., Tempone, S., McCann, R., Armstrong, P., Riley, T., Cook, A. (2019). Recurrence of Clostridium difficile infection in the Western Australian population. Epidemiology and Infection, 147(2019), article no. e153.
  • Luo, Y., Cheong, E., Bian, Q., Collins, D., Ye, J., Shin, JH., Yam, WC., Takata, T., Song, X., Wang, X., Kamboj, M., Gottlieb, T., Jiang, J., Riley, T., Tang, Y., Jin, D. (2019). Different molecular characteristics and antimicrobial resistance profiles of Clostridium difficile in the Asia-Pacific region. Emerging Microbes and Infections, 8(1), 1553-1562.
  • Imwattana, K., Knight, D., Kullin, B., Collins, D., Putsathit, P., Kiratisin, P., Riley, T. (2019). Clostridium difficile ribotype 017 - characterization, evolution and epidemiology of the dominant strain in Asia. Emerging Microbes and Infections, 8(1), 796-807.
  • Greenhill, A., Mutreja, A., Bulach, D., Belousoff, M., Jonduo, M., Collins, D., Kas, M., Wapling, J., Seemann, T., Lafana, A., Dougan, G., Brown, M., Horwood, P. (2019). Wave 2 strains of atypical Vibrio cholerae El Tor caused the 2009-2011 cholera outbreak in Papua New Guinea. Microbial Genomics, 5(3), Article number 000256.

Journal Articles

  • McGovern, A., Androga, G., Moono, P., Collins, D., Foster, N., Chang, B., Riley, T. (2018). Evaluation of the Cepheid® Xpert® C. difficile binary toxin (BT) diagnostic assay. Anaerobe, 51(June 2018), 12-16.
  • Riley, T., Collins, D., Karunakaran, R., Kahar, M., Adnan, A., Hassan, SA., Zainul, N., Rustam, F., Wahab, Z., Lee, YY., Ramli, R., Hassan, H. (2018). High prevalence of toxigenic and nontoxigenic Clostridium difficile strains in Malaysia. Journal of Clinical Microbiology, 56(6), article no.e00170-18.

Journal Articles

  • Collins, D., Putsathit, P., Elliott, B., Riley, T. (2017). Laboratory-based surveillance of Clostridium difficile strains circulating in the Australian healthcare setting in 2012. Pathology, 49(3), 309-313.
  • Knight, DR., Squire, MM., Collins, D., Riley, T. (2017). Genome Analysis of Clostridium difficile PCR Ribotype 014 Lineage in Australian Pigs and Humans Reveals a Diverse Genetic Repertoire and Signatures of Long-Range Interspecies Transmission. Frontiers in Microbiology, 7(2138), 48.
  • Collins, D., Selvey, L., Celenza, A., Riley, T. (2017). Community-associated Clostridium difficile infection in emergency department patients in Western Australia. Anaerobe, 48(August 2017), 121-125.
  • Collins, D., Gasem, MH., Habibie, TH., Arinton, IG., Hendriyanto, P., Hartana, AP., Riley, T. (2017). Prevalence and molecular epidemiology of Clostridium difficile infection in Indonesia. New Microbes and New Infections, 18(July 2017), 34-37.
  • Collins, D., Hoskins, A., Snelling, T., Senasinghe, K., Bowman, J., Stemberger, NA., Leach, AJ., Lehmann, D. (2017). Predictors of pneumococcal carriage and the effect of the 13-valent pneumococcal conjugate vaccination in the Western Australian Aboriginal population. Pneumonia, 9(September), 14.
  • Zainul, NH., Ma, ZF., Besari, A., Hassan, SA., Rahman, RA., Collins, D., Hamid, N., Riley, T., Lee, YY. (2017). Prevalence of Clostridium difficile infection and colonization in a tertiary hospital and elderly community of North-Eastern Peninsular Malaysia. Epidemiology and Infection, 145(14), 3012-3019.
  • Yusof, N., Hamid, N., Ma, ZF., Lawenko, RM., Wan Mohammad, WM., Collins, D., Liong, MT., Odamaki, T., Xiao, J., Lee, YY. (2017). Exposure to environmental microbiota explains persistent abdominal pain and irritable bowel syndrome after a major flood. Gut Pathogens, 9(1), article no.75.

Journal Articles

  • Cheng, AC., Collins, D., Elliott, B., Ferguson, JK., Paterson, DL., Thean, S., Riley, T. (2016). Laboratory-based surveillance of Clostridium difficile circulating in Australia, September – November 2010. Pathology, 48(3), 257-260.
  • Collins, D., Riley, T. (2016). Routine detection of Clostridium difficile in Western Australia. Anaerobe, 37(2016), 34-37.

Journal Articles

  • Collins, D., Elliott, B., Riley, T. (2015). Molecular methods for detecting and typing of Clostridium difficile. Pathology, 47(3), 211-218.
  • Mori, N., Yoshizawa, S., Saga, T., Ishii, Y., Murakami, H., Iwata, M., Collins, D., Riley, T., Tateda, K. (2015). Incorrect diagnosis of Clostridium difficile infection in a university hospital in Japan. J Infect Chemother, 21(10), 718-22.

Journal Articles

  • Foster, N., Collins, D., Ditchburn, S., Duncan, C., Van Schalkwyk, J., Golledge, C., Keed, A., Riley, T. (2014). Epidemiology of Clostridium difficile infection in two tertiary-care hospitals in Perth, Western Australia: a cross-sectional study. New Microbes and New Infections, 2(3), 64-71.
  • Tan, XQ., Verrall, AJ., Jureen, R., Riley, T., Collins, D., Lin, RT., Balm, MN., Chan, D., Tambyah, PA. (2014). The emergence of community-onset Clostridium difficile infection in a tertiary hospital in Singapore: A cause for concern. International Journal of Antimicrobial Agents, 43(1), 47-51.

Journal Articles

  • Collins, D., Hoskins, A., Bowman, J., Jones, J., Stemberger, N., Richmond, P., Leach, A., Lehmann, D. (2013). High nasopharyngeal carriage of non-vaccine serotypes in Western Australian Aboriginal people following 10 years of pneumococcal conjugate vaccination. PLoS One, 8(12), Article no. e82280.
  • Collins, D., Hawkey, P., Riley, T. (2013). Epidemiology of Clostridium difficile infection in Asia. Antimicrobial Resistance and Infection Control, 2(1), Article number 21.

Journal Articles

  • Horwood, P., Collins, D., Jonduo, M., Rosewell, A., Dutta, S., Dagina, R., Ropa, B., Siba, P., Greenhill, A. (2011). Clonal origins of Vibrio cholerae O1 El Tor strains, Papua New Guinea, 2009-2011. Emerging Infectious Diseases, 17(11), 2063-2065.

Research Projects

  • A One Health investigation of the emerging public health threat of Clostridium difficile in our local environments, National Health and Medical Research Council, Early Career Fellowship, 2019 ‑ 2023, $666,822.
  • Reducing hospital-identified Clostridium difficile infection by reducing environmental sources of C. difficile , Department of Health WA, Research Translation Projects, 2017 ‑ 2020, $269,544.
  • Genomic analysis of Clostridium difficile ribotype 017 strains from the Asia-Pacific region, Edith Cowan University, School of Medical and Health Sciences Research Grant Scheme 2017, 2017, $9,790.
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